Medium and small coal mines in north of Shaanxi Province generally adopt longwall remaining coal pillars support mining. 长壁留煤柱支撑法开采是陕北中小煤矿普遍采用的一种采煤方法。 dictsearch.appspot.com 8. Practice and understanding of longwall top-coal caving mining in thinner thick-seam with "th...
longwall是什么意思、longwall怎么读 读音:美[´lɒŋwɔːl]英[´lɒŋwɔːl] 英汉翻译近义词典英英词典发音词典 longwall中文翻译 adj.长壁开采法的 longwall是什么意思 网络长壁式; 壁式采矿法; 长式 词组短语 1.fulllongwall全面长壁开采法... ...
longwall英音: ['lɔŋwɔ:l;'lɔ:ŋ-] 美音: ['lɔŋwɔ:l;'lɔ:ŋ-] adj.[矿]长壁开采法的相关短语 G.A. adj. 共同海损理算人 general average adjuster的简写。见average adjuster. still ADJ 静止图像调整,静止图像调整 vaulting (adj) 跳跃的,跳过的 adjust (ADJ) 校正 sti...
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longwall Wikipedia (ˈlɒŋˌwɔːl) n (Mining & Quarrying) a method of extracting coal from a mine whereby a long wall of coal is mined at one time Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, ...
longwall 翻译结果3复制译文编辑译文朗读译文返回顶部 长壁 翻译结果4复制译文编辑译文朗读译文返回顶部 longwall 翻译结果5复制译文编辑译文朗读译文返回顶部 长壁工祖 相关内容 a英语谈论鸡 English discussion chicken[translate] a一月二号 January two[translate] ...
Origin oflongwall1 First recorded in1830–40;long1+wall Discover More Example Sentences The New College man he was going to live with is going down, and he had fixed up some rather jolly digs in Longwall. FromProject Gutenberg A few days later Maurice had come along with news of rooms in...
longwall system noun : a method of coal mining in which the working face extends entirely across the seam, the work proceeds either away from or toward the main shaft, and the roof is allowed to cave in behind the workers See the full definition ...